The "Fleet of the Future" model train car had a media preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

The "Fleet of the Future" model train car had a media preview at...

The "Fleet of the Future" model train car had a media... Photo-4947324.66833 - SFGate

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Contractor Brian Liebowitz (far right) shows a commuter the bike rack for the "Fleet of the Future" model train car at a media preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

The "Fleet of the Future" model train car shown by project director John Garnham at a media preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

The "Fleet of the Future" model train car shown by project director...

The "Fleet of the Future" model train car has seat partitions at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

The "Fleet of the Future" model train car has seat partitions at...

The "Fleet of the Future" model train car has seat... Photo-4947338.66833 - SFGate

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The "Fleet of the Future" model train car had a digital drawing at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

The "Fleet of the Future" model train car had a digital drawing at...

The "Fleet of the Future" model train car had a digital... Photo-4947325.66833 - SFGate

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Commuter Michael Alves (left) takes a first glance of the "Fleet of the Future" model train car while elected director Robert Raburn (right)talks to the media at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

Commuter Michael Alves (left) takes a first glance of the "Fleet of...

Project director John Garnham (middle) shows daily commuter Donnie Gardner (with cap) the "Fleet of the Future" model train car at a media preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Elected director Gail Murray (green scarf) of Walnut Creek and Contra Costa county and chief marketing officer Aaron Weinstein (middle) take a tour of the "Fleet of the Future" model train car during a preview at MacArthur Bart station in Oakland, Calif., while commuter Michael Alves (right) takes a picture of the model bike rack on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Bashir Leathers (left), 17 years old, from Oakland is shown the "Fleet of the Future" model train car by chief marketing officer Aaron Weinstein (right) during a preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. Leathers questions energy use between the present and future trains. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

The "Fleet of the Future" model train car had a media preview showing the proposed bike racks at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

The "Fleet of the Future" model train car had a media preview...

The "Fleet of the Future" model train car had a media... Photo-4947334.66833 - SFGate

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Chief marketing officer Aaron Weinstein (left) and elected director Robert Raburn (right) of district 4 take a tour of the "Fleet of the Future" model train car during a preview at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Daily commuter Donnie Gardner, a janitor from Richmond, has a first glance at the "Fleet of the Future" model train car at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

Daily commuter Donnie Gardner, a janitor from Richmond, has a first...

Ryan Osterman (left) and Hilary Goss (right), both from Oakland have a first glance at the "Fleet of the Future" model train car at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

A sign of the future new look of the MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

A sign of the future new look of the MacArthur Bart station in...

A sign of the future new look of the MacArthur Bart station in... Photo-4947326.66833 - SFGate

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Model of the new bike rack displayed on the "Fleet of the Future" model train car at MacArthur Bart station in Oakland, Calif., on Monday, July 22, 2013. The preview of Bart's "Fleet of the Future" model train car will be open for public viewing from Tuesday to Friday.

Photo: Liz Hafalia, The Chronicle

Model of the new bike rack displayed on the "Fleet of the Future"...

Model of the new bike rack displayed on the "Fleet of the... Photo-4947340.66833 - SFGate